Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-359961-index-headers.html | 2021-12-17 07:30:54 | |
| 0001193125-21-359961-index.html | 2021-12-17 07:30:54 | |
| 0001193125-21-359961.txt | 2021-12-17 07:30:54 | |
 0001193125-21-359961-xbrl.zip | 9781 | 2021-12-17 07:30:54 |
| alvr-20211216.xsd | 2889 | 2021-12-17 07:30:54 |
| alvr-20211216_lab.xml | 19657 | 2021-12-17 07:30:54 |
| alvr-20211216_pre.xml | 12313 | 2021-12-17 07:30:54 |
| d256659d8k.htm | 25659 | 2021-12-17 07:30:54 |
| d256659d8k_htm.xml | 3591 | 2021-12-17 07:30:54 |
| d256659dex991.htm | 4179 | 2021-12-17 07:30:54 |
| FilingSummary.xml | 1726 | 2021-12-17 07:30:54 |
| Financial_Report.xlsx | 5734 | 2021-12-17 07:30:54 |
 g256659dsp004.jpg | 2976 | 2021-12-17 07:30:54 |
| MetaLinks.json | 19915 | 2021-12-17 07:30:54 |
| R1.htm | 43472 | 2021-12-17 07:30:54 |
| report.css | 2767 | 2021-12-17 07:30:54 |
| Show.js | 1085 | 2021-12-17 07:30:54 |